Răspuns :
3x-x=1
2x=1
[tex]x = \frac{1}{2} [/tex]
5x=4x+3 /-4x
x=3
3x-5=10 /+5
3x=15 /:3
x=5
9x-x=4
8x=4
[tex]x = \frac{4}{8} = \frac{1}{2} [/tex]
Salut!
[tex]3x - x = 1 \\ 2x = 1 \\ x = \frac{1}{2} \\ x = 0.5[/tex]
[tex]5x = 4x + 3 \\ 5x - 4x = 3 \\ x = 3[/tex]
[tex]3x - 5 = 10 \\ 3x = 10 + 5 \\ 3x = 15 \\ x = 15 \div 3 \\ x = 5[/tex]
[tex]9x - x = 4 \\ 8x = 4 \\ x = \frac{ \not{4} }{ \not{8} } \\ x = \frac{1}{2} \\ x = 0.5[/tex]